Comment by chvid

From wikipedia:

https://en.wikipedia.org/wiki/Manus_(AI_agent)

...

Company background

Butterfly Effect Technology was founded by entrepreneur Xiao Hong (Chinese: 肖弘), who previously established Nightingale Technology in 2015.[2] Nightingale developed productivity tools including "Yiban Assistant" (Chinese: 壹伴助手) and "Weiban Assistant" (Chinese: 微伴助手), AI-driven platforms serving over 2 million business users. These products attracted investment from Tencent and ZhenFund.[5]

In 2022, recognizing the potential of large language models, Xiao Hong founded Butterfly Effect and released Monica, an AI assistant browser extension integrating models including ChatGPT and Claude.[5] By 2024, Monica accumulated over 10 million users while maintaining profitability, serving as both a technological foundation and user acquisition platform for Manus.[5]

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Doesn't sound like a "company focused almost entirely on marketing".